Polyurethane belt perforamance are as below: Mechanism Property - Stable Dimension - Low Pull- Small Noise - Wear Out Resistance - No need to maintain - Excellent Elasticity- Top linear speed Chemical Property - Anti Aging, Anti Hydrolyze ,Anti UVAAnti-Ozone - Work Temperature-30+80 The Max.degree within short time can bear +110 - Anti-oil and anti-ester - Anti acid,alkaline cautery resistance Seamless Polyurethane Timing Belt is excellent applied to low-load synchronous hierarchical transmission, such as office automation systems and home appliances